/**
 * jQuery JSON plugin v2.6.0
 * https://github.com/Krinkle/jquery-json
 *
 * @author Brantley Harris, 2009-2011
 * @author Timo Tijhof, 2011-2016
 * @source This plugin is heavily influenced by MochiKit's serializeJSON, which is
 *         copyrighted 2005 by Bob Ippolito.
 * @source Brantley Harris wrote this plugin. It is based somewhat on the JSON.org
 *         website's http://www.json.org/json2.js, which proclaims:
 *         "NO WARRANTY EXPRESSED OR IMPLIED. USE AT YOUR OWN RISK.", a sentiment that
 *         I uphold.
 * @license MIT License <https://opensource.org/licenses/MIT>
 */
(function (factory) {
    if (typeof define === 'function' && define.amd) {
        // AMD
        define(['jquery'], factory);
    } else if (typeof exports === 'object') {
        // CommonJS
        factory(require('jquery'));
    } else {
        // Browser globals
        factory(jQuery);
    }
}(function ($) {
    'use strict';

    var escape = /["\\\x00-\x1f\x7f-\x9f]/g,
        meta = {
            '\b': '\\b',
            '\t': '\\t',
            '\n': '\\n',
            '\f': '\\f',
            '\r': '\\r',
            '"': '\\"',
            '\\': '\\\\'
        },
        hasOwn = Object.prototype.hasOwnProperty;

    /**
     * jQuery.toJSON
     * Converts the given argument into a JSON representation.
     *
     * @param o {Mixed} The json-serializable *thing* to be converted
     *
     * If an object has a toJSON prototype, that will be used to get the representation.
     * Non-integer/string keys are skipped in the object, as are keys that point to a
     * function.
     *
     */
    $.toJSON = typeof JSON === 'object' && JSON.stringify ? JSON.stringify : function (o) {
            if (o === null) {
                return 'null';
            }

            var pairs, k, name, val,
                type = $.type(o);

            if (type === 'undefined') {
                return undefined;
            }

            // Also covers instantiated Number and Boolean objects,
            // which are typeof 'object' but thanks to $.type, we
            // catch them here. I don't know whether it is right
            // or wrong that instantiated primitives are not
            // exported to JSON as an {"object":..}.
            // We choose this path because that's what the browsers did.
            if (type === 'number' || type === 'boolean') {
                return String(o);
            }
            if (type === 'string') {
                return $.quoteString(o);
            }
            if (typeof o.toJSON === 'function') {
                return $.toJSON(o.toJSON());
            }
            if (type === 'date') {
                var month = o.getUTCMonth() + 1,
                    day = o.getUTCDate(),
                    year = o.getUTCFullYear(),
                    hours = o.getUTCHours(),
                    minutes = o.getUTCMinutes(),
                    seconds = o.getUTCSeconds(),
                    milli = o.getUTCMilliseconds();

                if (month < 10) {
                    month = '0' + month;
                }
                if (day < 10) {
                    day = '0' + day;
                }
                if (hours < 10) {
                    hours = '0' + hours;
                }
                if (minutes < 10) {
                    minutes = '0' + minutes;
                }
                if (seconds < 10) {
                    seconds = '0' + seconds;
                }
                if (milli < 100) {
                    milli = '0' + milli;
                }
                if (milli < 10) {
                    milli = '0' + milli;
                }
                return '"' + year + '-' + month + '-' + day + 'T' +
                    hours + ':' + minutes + ':' + seconds +
                    '.' + milli + 'Z"';
            }

            pairs = [];

            if ($.isArray(o)) {
                for (k = 0; k < o.length; k++) {
                    pairs.push($.toJSON(o[k]) || 'null');
                }
                return '[' + pairs.join(',') + ']';
            }

            // Any other object (plain object, RegExp, ..)
            // Need to do typeof instead of $.type, because we also
            // want to catch non-plain objects.
            if (typeof o === 'object') {
                for (k in o) {
                    // Only include own properties,
                    // Filter out inherited prototypes
                    if (hasOwn.call(o, k)) {
                        // Keys must be numerical or string. Skip others
                        type = typeof k;
                        if (type === 'number') {
                            name = '"' + k + '"';
                        } else if (type === 'string') {
                            name = $.quoteString(k);
                        } else {
                            continue;
                        }
                        type = typeof o[k];

                        // Invalid values like these return undefined
                        // from toJSON, however those object members
                        // shouldn't be included in the JSON string at all.
                        if (type !== 'function' && type !== 'undefined') {
                            val = $.toJSON(o[k]);
                            pairs.push(name + ':' + val);
                        }
                    }
                }
                return '{' + pairs.join(',') + '}';
            }
        };

    /**
     * jQuery.evalJSON
     * Evaluates a given json string.
     *
     * @param str {String}
     */
    $.evalJSON = typeof JSON === 'object' && JSON.parse ? JSON.parse : function (str) {
            /*jshint evil: true */
            return eval('(' + str + ')');
        };

    /**
     * jQuery.secureEvalJSON
     * Evals JSON in a way that is *more* secure.
     *
     * @param str {String}
     */
    $.secureEvalJSON = typeof JSON === 'object' && JSON.parse ? JSON.parse : function (str) {
            var filtered =
                str
                    .replace(/\\["\\\/bfnrtu]/g, '@')
                    .replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g, ']')
                    .replace(/(?:^|:|,)(?:\s*\[)+/g, '');

            if (/^[\],:{}\s]*$/.test(filtered)) {
                /*jshint evil: true */
                return eval('(' + str + ')');
            }
            throw new SyntaxError('Error parsing JSON, source is not valid.');
        };

    /**
     * jQuery.quoteString
     * Returns a string-repr of a string, escaping quotes intelligently.
     * Mostly a support function for toJSON.
     * Examples:
     * >>> jQuery.quoteString('apple')
     * "apple"
     *
     * >>> jQuery.quoteString('"Where are we going?", she asked.')
     * "\"Where are we going?\", she asked."
     */
    $.quoteString = function (str) {
        if (str.match(escape)) {
            return '"' + str.replace(escape, function (a) {
                    var c = meta[a];
                    if (typeof c === 'string') {
                        return c;
                    }
                    c = a.charCodeAt();
                    return '\\u00' + Math.floor(c / 16).toString(16) + (c % 16).toString(16);
                }) + '"';
        }
        return '"' + str + '"';
    };

}));
